Amphenol RF 31-21 RoHS: yes Product: Connectors RF Series: BNC Gender: Plug Polarity: Standard Impedance: 50 Ohms Maximum Frequency: 4 GHz Body Material: Brass Body Finish: Nickel Contact Material: Brass Contact Plating: Silver Contact Termination: Solder Mounting Type: - Termination Style: Cable - Clamp Coupling Mechanism: Bayonet Orientation: Straight Cable Type: UG-260A/U Mating Cycles: 500 Operating Temperature Range: - 65 C to + 165 C Series: BNC Part # Aliases: 031-21